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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $317

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Bucharest departing on 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
Lufthansa Logo
12:45 pm - 12:35 pm
OTP
-
ORD
31h 50m
1 stop
$777Lufthansa
Wed, Aug 12 - Tue, Aug 18
Lufthansa Logo
4:05 pm - 12:50 pm
ORD
-
OTP
12h 45m
1 stop
Lufthansa Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
$778Lufthansa
Wed, Sep 9 - Wed, Sep 23
Multiple Airlines Logo
4:20 pm - 12:10 am
ORD
-
OTP
23h 50m
1 stop
Multiple Airlines Logo
6:05 am - 8:12 pm
OTP
-
ORD
22h 07m
2 stops
$783Multiple Airlines
Tue, Sep 8 - Tue, Sep 22
United Airlines Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
United Airlines Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
$784United Airlines
Sun, Sep 6 - Wed, Sep 23
United Airlines Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
United Airlines Logo
6:05 am - 11:00 am
OTP
-
ORD
12h 55m
1 stop
$785United Airlines
Thu, Jul 30 - Sun, Aug 23
Delta Logo
6:40 am - 12:45 pm
ORD
-
OTP
22h 05m
2 stops
Delta Logo
7:05 am - 2:15 pm
OTP
-
ORD
15h 10m
1 stop
$786Delta
Sun, Sep 6 - Fri, Sep 25
Delta Logo
1:59 pm - 1:40 pm
ORD
-
OTP
15h 41m
2 stops
Delta Logo
7:05 am - 2:30 pm
OTP
-
ORD
15h 25m
1 stop
$787Delta
Wed, Aug 12 - Wed, Aug 26
United Airlines Logo
2:30 pm - 6:35 pm
ORD
-
OTP
20h 05m
2 stops
United Airlines Logo
6:05 am - 7:55 pm
OTP
-
ORD
21h 50m
1 stop
$788United Airlines
Wed, Sep 9 - Tue, Sep 22
Turkish Airlines Logo
11:25 am - 2:35 pm
ORD
-
OTP
19h 10m
1 stop
Turkish Airlines Logo
9:35 pm - 9:40 am
OTP
-
ORD
20h 05m
1 stop
$789Turkish Airlines
Wed, Aug 26 - Wed, Sep 9
Multiple Airlines Logo
3:40 pm - 3:20 pm
ORD
-
OTP
39h 40m
2 stops
Multiple Airlines Logo
6:05 am - 12:55 pm
OTP
-
ORD
14h 50m
1 stop
$790Multiple Airlines
Sun, Aug 9 - Sat, Aug 22

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LOT flights from Chicago O'Hare Intl Airport to Bucharest

Our best LOT deals on Chicago O'Hare Intl Airport to Bucharest flight tickets
LOT
Aug 19
ORD9:50 pmChicago O'Hare Intl
11h 55m
1 stop
OTP5:45 pmBucharest Otopeni Intl
Sep 2
OTP8:20 amBucharest Otopeni Intl
19h 30m
1 stop
ORD7:50 pmChicago O'Hare Intl
$803
LOT
Sep 4
ORD9:50 pmChicago O'Hare Intl
11h 55m
1 stop
OTP5:45 pmBucharest Otopeni Intl
Sep 17
OTP5:35 amBucharest Otopeni Intl
17h 35m
1 stop
ORD3:10 pmChicago O'Hare Intl
$811
LOT
Sep 2
ORD5:10 pmChicago O'Hare Intl
16h 35m
2 stops
OTP5:45 pmBucharest Otopeni Intl
Sep 17
OTP5:35 amBucharest Otopeni Intl
17h 35m
1 stop
ORD3:10 pmChicago O'Hare Intl
$830

Air Canada flights from Chicago O'Hare Intl Airport to Bucharest

Our best Air Canada deals on Chicago O'Hare Intl Airport to Bucharest flight tickets
Air Canada
Sep 8
ORD2:01 pmChicago O'Hare Intl
20h 34m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Sep 24
OTP6:05 amBucharest Otopeni Intl
22h 07m
2 stops
ORD8:12 pmChicago O'Hare Intl
$791
Air Canada
Sep 3
ORD9:50 amChicago O'Hare Intl
18h 10m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Sep 17
OTP6:05 amBucharest Otopeni Intl
22h 07m
2 stops
ORD8:12 pmChicago O'Hare Intl
$823
Air Canada
Jun 20
ORD9:20 pmChicago O'Hare Intl
37h 15m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Jul 9
OTP12:45 pmBucharest Otopeni Intl
29h 31m
2 stops
ORD10:16 amChicago O'Hare Intl
$1,305

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Bucharest that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 11, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Tue 8/18

12:45 pm-12:35 pm

1 stop31h 50m

$777
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/9

4:05 pm-12:50 pm

1 stop12h 45m

Bucharest Otopeni Intl

Wed 9/23

1:45 pm-7:55 pm

1 stop14h 10m

$778

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/8

4:20 pm-12:10 am

1 stop23h 50m

Bucharest Otopeni Intl

Tue 9/22

6:05 am-8:12 pm

2 stops22h 07m

$783

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 9/6

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Wed 9/23

1:45 pm-7:55 pm

1 stop14h 10m

$784

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 7/30

9:40 pm-1:10 am

1 stop19h 30m

Bucharest Otopeni Intl

Sun 8/23

6:05 am-11:00 am

1 stop12h 55m

$785

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 9/6

6:40 am-12:45 pm

2 stops22h 05m

Bucharest Otopeni Intl

Fri 9/25

7:05 am-2:15 pm

1 stop15h 10m

$786

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

1:59 pm-1:40 pm

2 stops15h 41m

Bucharest Otopeni Intl

Wed 8/26

7:05 am-2:30 pm

1 stop15h 25m

$787

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/9

2:30 pm-6:35 pm

2 stops20h 05m

Bucharest Otopeni Intl

Tue 9/22

6:05 am-7:55 pm

1 stop21h 50m

$788

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/26

11:25 am-2:35 pm

1 stop19h 10m

Bucharest Otopeni Intl

Wed 9/9

9:35 pm-9:40 am

1 stop20h 05m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/9

3:40 pm-3:20 pm

2 stops39h 40m

Bucharest Otopeni Intl

Sat 8/22

6:05 am-12:55 pm

1 stop14h 50m

$790

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bucharest from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Bucharest

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Bucharest?

What is the cheapest month to fly to Bucharest?

In general, May is the cheapest month to fly from Chicago O'Hare Intl Airport to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $280. If you aren’t able to travel to Bucharest during the month of May, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $300.

What is the cheapest day to depart on your flight to Bucharest?

Our data shows that Tuesday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $853. The most expensive day to fly to Bucharest is Friday, with ticket prices averaging around $893.

What is the cheapest Chicago O'Hare Intl to Bucharest flight route?

Fly from Chicago O'Hare Intl to Bucharest Otopeni Intl for the best Chicago O'Hare Intl - Bucharest flight prices

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Bucharest?

You are more likely to see cheaper flights to Bucharest from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $727 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Chicago O'Hare Intl Airport for as low as $365 on momondo.

What cabin class options are available on Chicago O'Hare Intl Airport to Bucharest flights?

There are 2 cabin classes available to choose from on Chicago O'Hare Intl Airport to Bucharest flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from Chicago O'Hare Intl Airport to Bucharest

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Bucharest according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Bucharest (ORD to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Bucharest

Best Price Found

$435

Fastest flight time

12h 15m

Direct flights

None
The best one-way flight to Bucharest from Chicago O'Hare Intl Airport in the past 72 hours is $435. The best round-trip flight deal from Chicago O'Hare Intl Airport to Bucharest found on momondo in the last 72 hours is $893.
The fastest flight from Chicago O'Hare Intl Airport to Bucharest takes 12h 15m
There are no direct flights from Chicago O'Hare Intl Airport to Bucharest. There are no popular flight routes from Chicago O'Hare Intl Airport to Bucharest.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Bucharest

  • How far is Chicago O'Hare Intl to Bucharest by plane?

    A flight from Chicago O'Hare Intl to Bucharest will travel around 5205.0 mi. Flights usually cover this in 12h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Bucharest?

    Prices for flights from Chicago O'Hare Intl Airport to Bucharest are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bucharest?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Bucharest?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Bucharest.

  • What documentation or ID do you need to fly to Bucharest?

    The required travel and health documents for your Bucharest trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Bucharest?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Bucharest?

Best airlines flying from Chicago O'Hare Intl Airport to Bucharest

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Bucharest with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,809 reviews
Search United Airlines flights
British AirwaysPriceFrom $418Free CancellationRating
6.7
8,044 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.4
4,408 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $510Free CancellationRating
7.5
1,602 reviews
Search Air France flights
LufthansaPriceFrom $535Free CancellationRating
6.8
8,052 reviews
Search Lufthansa flights
Air SerbiaPriceFrom $537Free CancellationRating
6.1
229 reviews
Search Air Serbia flights
KLMPriceFrom $539Free CancellationRating
7.8
1,527 reviews
Search KLM flights
SWISSPriceFrom $569Free CancellationRating
7.5
1,968 reviews
Search SWISS flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,399 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.5
1,198 reviews
Search LOT flights

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Bucharest?

It is quick and easy to find Chicago to Bucharest flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bucharest that suits you.

Can I find flights from Chicago to Bucharest with flexible booking policies on momondo?

Flights from Chicago to Bucharest with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Bucharest?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bucharest from Chicago.

I’m not ready to book a flight from Chicago to Bucharest right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Bucharest flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest
Bucharest Otopeni Intl Airport